AS214757 Jakub Krsa

Czechia Jakub-Krsa RIPE 1 IPv4 prefix 14 IPv6 prefixes

IPv4 addresses

256

IPv6 /48 networks

RPKI

15 valid0 no ROA

Peers and downstreams

180

Holder

AS name: Jakub-Krsa
Description: Jakub Krsa
Organisation: Jakub Krsa
Abuse contact: abuse@as214757.net
Assigned: 2024-06-05
Registered: 2024-06-06
Record last changed: 2026-07-09 10:07 UTC

169.128.49.0/24

AS559	SWITCH Switch
AS1031	PEER 1031 LLC PEER1-1031
AS1103	SURF B.V. SURFNET-NL
AS1140	Stichting Internet Domeinregistratie Nederland SIDN
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
AS1828	Unitas Global UNITAS
AS2027	MilkyWan Association MilkyWan
AS3170	VeloxServ Communications Ltd VELOXSERV
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS3214	xTom GmbH XTOM
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC) RIPE-NCC-AS
AS3399	Obenet AB OBE-NET
AS3462	Data Communication Business Group HINET
AS4230	CLARO S.A. AS4230
AS4455	IX Reach Ltd BSO
AS5405	Inter.link GmbH INTERDOTLINK
AS6057	Administracion Nacional de Telecomunicaciones AS6057
AS6424	EDGOO NETWORKS UNIPESSOAL LDA EDGOO
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6696	VERIXI SA VERIXI
AS6777	Amsterdam Internet Exchange B.V. AMS-IX-RS
AS6797	GlobalConnect AB GLOBALCONNECT-NET
AS6910	DIGI ROMANIA S.A. DIGI-BORDER
AS7195	EDGEUNO S.A.S AS7195
AS7713	PT Telekomunikasi Indonesia telkomnet-as-ap
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8298	IPng Networks GmbH IPNG
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS8888	xTom Pty Ltd XTOM
AS9044	BSE Software GmbH SOLNET
AS9198	JSC Kazakhtelecom KAZTELECOM-AS
AS12637	SEEWEB s.r.l. SEEWEB
AS12779	IT.Gate S.p.A. ITGATE
AS12859	BIT BV NL-BIT
AS12969	Ljosleidarinn ehf Vodafone_Iceland
AS13004	Serbian Open Exchange DOO SOX
AS13237	euNetworks GmbH LAMBDANET-AS
AS14630	Invesco Group Services, Inc. INVESCO
AS14840	BR.Digital Telecom AS14840
AS14907	Wikimedia Foundation Inc. WIKIMEDIA
AS15547	netplus.ch SA NETPLUS
AS15576	NTS workspace AG NTS
AS15605	Connesi s.p.a. CONNESI
AS15958	CETIN Ltd. Belgrade CETIN_doo_AS
AS16347	ADISTA SAS INHERENT
AS17639	Converge ICT Solutions Inc. CONVERGE-AS
AS18106	Viewqwest Pte Ltd VIEWQWEST-SG-AP
AS18636	ONDRYA LLC ONDRYA
AS20485	Joint Stock Company TransTeleCom TRANSTELECOM
AS20764	CJSC RASCOM RASCOM-AS
AS20932	Services Industriels de Geneve SIG-ST
AS21030	Cluster LLC CDNNOW-AS
AS24482	SG.GS SGGS-AS-AP
AS24961	WIIT AG MYLOC-AS
AS25091	IP-Max SA IP-Max
AS25160	Vorboss Limited VORBOSS
AS25220	equada network GmbH GLOBALNOC-AS
AS28910	"Uzbektelekom" Joint Stock Company INTAL-ASN
AS28917	Fiord Networks, UAB Fiord-AS
AS29075	IELO-LIAZO SERVICES SAS IELO
AS29140	Hostserver GmbH HOSTSERVER-AS
AS29632	Netassist International EOOD NASSIST-AS
AS30844	Liquid Telecommunications Ltd LIQUID-AS
AS30886	PP KOM i TEX KOMITEX-AS
AS30972	Bedrock SAS BEDROCK
AS31500	Global Network Management Inc GNM-AS
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS34177	Celeste SAS CELESTE-AS
AS34288	Kantonsschule Zug AS34288
AS34549	meerfarbig GmbH & Co. KG MEER-AS
AS34872	Sarah Rossius trading as Servperso Systems Servperso_Systems
AS35280	F5 Networks SARL F5
AS35600	Vedege SAS ASN-VEDEGE
AS36236	NetActuate, Inc NETACTUATE
AS37100	SEACOM Limited
AS37468	Angola Cables
AS37497	Network Platforms (PTY) LTD
AS37721	Virtual Technologies & Solutions
AS39120	Convergenze S.p.A. CONVERGENZE-AS
AS39122	Blacknight Internet Solutions Limited BLACKNIGHT-AS
AS39351	31173 Services AB ESAB-AS
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS41666	Institute for Pyrotechnical Cleaning (limited company) PYRO-AS
AS41722	Miran Ltd. MIRAN-AS
AS42541	Fiberby ApS FIBERBY
AS44097	CLEMENT CAVADORE AUTONOMOUS-CLOSET
AS44901	Belcloud LTD belcloud
AS45489	Sri Lanka Telecom PLC, GLobal Peering SLT-GLOBAL
AS47147	Anexia Cloud Solutions GmbH AS-ANX
AS47692	Nessus GmbH NESSUS
AS48185	team.blue NV team_blue
AS48362	Tkswf TKSWF-AS
AS48646	SDRmedia Verwaltungs GmbH STEFAN6
AS48919	UACITY Ltd. UA-CITY-AS
AS49434	FBW NETWORKS SAS FBWNETWORKS
AS49544	i3D.net B.V i3Dnet
AS49605	Digital Telecommunication Services S.r.l. DTS-AS
AS50300	CustodianDC Limited CUSTDC
AS50629	LWLcom GmbH LWLCOM
AS50763	Robert McKay MCKAYCOM
AS51184	Fonira Telekom GmbH FONIRA
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS51873	Arcade Solutions AG AS-ARCADE
AS52055	NetIX Communications JSC NetIX-Greece
AS56662	Eutpnet EUTPNET
AS56911	Warian S.R.L. ASN-WARIAN
AS56987	ABACLOUDA SAS AS-ABACLOUDA
AS57118	CommunityRack.org Verein COMMUNITYRACK
AS58299	Openfactory GmbH OPENFACTORY-AS
AS59449	KonzolaNET
AS60171	AFR-IX TELECOM S.A. AFRIX-AS
AS60900	Adrian Trifonov trading as Ssmidge Technologies SsmidgeTechnologies
AS61049	Exascale Ltd EXASCALE
AS61573	IP TELECOM AS61573
AS62000	SERVERD SAS AS62000
AS62167	Tismi BV Tismi
AS64475	Freifunk Frankfurt am Main e.V. FREIFUNK-FRANKFURT
AS198150	SIACOM JSC SIACOM-AS
AS199518	Gregory Shapiro GSHAPIRO-AS
AS199524	G-Core Labs S.A. GCORE
AS199938	Netzwerge GmbH NETZWERGE
AS201398	Guwin Universal Services LLC AS201398-NETWORK
AS202580	A-Systems Sp. z o.o. AS-1-NL
AS203062	Alexandre Roux ALEXANDRE-ROUX-ASRINFOPRO
AS204092	Association GRIFON GRIFON
AS205103	Telegraph42 Management GmbH TELEGRAPH-AS
AS205112	PHILUNET GmbH PHILUNET
AS206499	LOCIX LIMITED LOCIX
AS207445	As_Vamh AS_VAMH
AS208471	VKNets
AS208972	GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI gibirnet-tr
AS209022	Tschajera Limited Tschajera-Limited
AS209090	Association Stolon STOLON
AS209552	Jan Siroky Jan
AS209823	Enki Multimedia EURL ENKI-AS
AS210578	Lucas Groenewegen trading as McPal McPal
AS210937	Showfom
AS211008	Likhner LIKHNER-AS
AS211715	Christian Vonderstein Christian-Vonderstein
AS212085	Brueggus BRUEGGUS-AS
AS212470	LaptopCat
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS212635	Jurrian van Iersel AS212635
AS213151	Christian Elsen CHRISELSEN
AS213241	TECHIT.BE SRL TECHIT
AS214161	Rafo RAFO
AS214205	Cristian Tudor Marcus CRISTIAN-TUDOR-MARCUS
AS214331	TESKE VIRTUAL SYSTEM LTDA Teske-Virtual-System
AS214508	Manu Braibant MANUBRAIBANT
AS214762	Sebastian Stefanek trading as MatHost.eu MATHOST
AS215596	KISSGROUP SAS Kissgroup
AS219331	Thomas BOUZIN FreePKT
AS263152	MIGO TELECOM AS263152
AS271253	LINK BRASIL TELECOMUNICACOES LTDA AS271253
AS401753	BIXCE Inc BIXCE

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 100/100

pass	Prefixes covered by valid ROAs 15 of 15 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 14 IPv6 prefixes.	15/15
pass	More than one upstream 12 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@as214757.net is published.	15/15
pass	Publishes a geofeed A geofeed (RFC 8805) tells where the address space is used.	10/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
pass	Registry record maintained Last changed 2026-07-09.	5/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/214757"><img src="https://ip-fd.net/badge/asn/214757/health.svg" alt="AS214757 network health on IP-FD.net"></a>

Markdown

[![AS214757 network health](https://ip-fd.net/badge/asn/214757/health.svg)](https://ip-fd.net/asn/214757)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

2026-10-04 14:30 UTC	Neighbour gone	AS263444	upstream
2026-10-04 14:30 UTC	Neighbour gone	AS219251	peer
2026-10-04 14:30 UTC	Neighbour gone	AS215628	peer
2026-10-04 14:30 UTC	Neighbour gone	AS207466	peer
2026-10-04 14:30 UTC	Neighbour gone	AS205305	peer
2026-10-04 14:30 UTC	Neighbour gone	AS205206	peer
2026-10-04 14:30 UTC	Neighbour gone	AS204508	downstream
2026-10-04 14:30 UTC	Neighbour gone	AS199183	peer
2026-10-04 14:30 UTC	Neighbour gone	AS58057	upstream
2026-10-04 14:30 UTC	Neighbour gone	AS56655	upstream
2026-10-04 14:30 UTC	Neighbour gone	AS50869	upstream
2026-10-04 14:30 UTC	Neighbour gone	AS50338	upstream
2026-10-04 14:30 UTC	Neighbour gone	AS41051	upstream
2026-10-04 14:30 UTC	Neighbour gone	AS34224	upstream
2026-10-04 14:30 UTC	Neighbour gone	AS31027	peer
2026-10-04 14:30 UTC	Neighbour gone	AS20766	upstream
2026-10-04 14:30 UTC	Neighbour gone	AS20326	upstream
2026-10-04 14:30 UTC	Neighbour gone	AS7721	peer
2026-10-04 14:30 UTC	New neighbour	AS8888	peer
2026-10-04 14:30 UTC	New neighbour	AS49605	peer
2026-10-04 14:30 UTC	New neighbour	AS44901	peer
2026-10-04 14:30 UTC	New neighbour	AS28917	peer
2026-10-04 14:30 UTC	New neighbour	AS263152	peer
2026-10-04 14:30 UTC	New neighbour	AS20764	peer
2026-10-04 14:30 UTC	New neighbour	AS18106	peer
2026-10-04 14:30 UTC	New neighbour	AS14630	peer
2026-10-04 14:30 UTC	New neighbour	AS13237	peer
2026-10-04 14:30 UTC	New neighbour	AS12969	peer
2026-10-04 14:30 UTC	New neighbour	AS59449	peer
2026-10-04 14:30 UTC	New neighbour	AS214818	downstream
2026-10-04 14:30 UTC	New neighbour	AS18636	peer
2026-10-04 14:30 UTC	Relationship changed	AS9198	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS9044	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS8298	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS7713	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS7195	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS6910	upstream to peer
2026-10-04 14:30 UTC	New neighbour	AS6797	peer
2026-10-04 14:30 UTC	New neighbour	AS6777	peer
2026-10-04 14:30 UTC	Relationship changed	AS6696	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 14:30 UTC	New neighbour	AS62000	peer
2026-10-04 14:30 UTC	Relationship changed	AS61049	upstream to peer
2026-10-04 14:30 UTC	New neighbour	AS6057	peer
2026-10-04 14:30 UTC	Relationship changed	AS60171	upstream to peer
2026-10-04 14:30 UTC	New neighbour	AS57118	peer
2026-10-04 14:30 UTC	Relationship changed	AS56911	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 14:30 UTC	New neighbour	AS52055	peer
2026-10-04 14:30 UTC	Relationship changed	AS49434	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS48646	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS48362	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS47692	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS4230	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS401753	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS39351	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS39120	upstream to peer
2026-10-04 14:30 UTC	New neighbour	AS37497	peer
2026-10-04 14:30 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS37100	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS35280	upstream to peer
2026-10-04 14:30 UTC	New neighbour	AS3462	peer
2026-10-04 14:30 UTC	Relationship changed	AS34549	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS33891	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS3214	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS31500	upstream to peer
2026-10-04 14:30 UTC	New neighbour	AS30972	peer
2026-10-04 14:30 UTC	Relationship changed	AS30886	upstream to peer
2026-10-04 14:30 UTC	New neighbour	AS30844	peer
2026-10-04 14:30 UTC	Relationship changed	AS29632	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS29075	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS25091	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS215596	upstream to peer
2026-10-04 14:30 UTC	New neighbour	AS214331	peer
2026-10-04 14:30 UTC	New neighbour	AS21030	peer
2026-10-04 14:30 UTC	Relationship changed	AS209090	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS209022	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS205103	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS20485	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS202580	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS1764	upstream to peer
2026-10-04 14:30 UTC	New neighbour	AS15958	peer
2026-10-04 14:30 UTC	New neighbour	AS15576	peer
2026-10-04 14:30 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS12637	upstream to peer
2026-10-04 14:30 UTC	Relationship changed	AS1103	upstream to peer
2026-10-04 14:30 UTC	New neighbour	AS1031	peer
2026-10-04 14:30 UTC	Prefix gone	2a14:6f44:1040::/44
2026-10-04 14:30 UTC	Prefix gone	2a0a:6044:a106::/48
2026-10-04 14:30 UTC	Prefix gone	2a0a:6044:a101::/48
2026-10-04 14:30 UTC	Prefix gone	2a05:dfc3:f840::/44

WHOIS

aut-num:        AS214757
as-name:        Jakub-Krsa
org:            ORG-JK110-RIPE
sponsoring-org: ORG-ICL64-RIPE
admin-c:        JK16122-RIPE
tech-c:         JK16122-RIPE
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         JAKUB-KRSA-MNT
remarks:        -----------------------------------------------------
remarks:        
remarks:        A-Systems Sp. z o.o.
remarks:        
remarks:        Adrian Trifonov trading as Ssmidge Technologies
remarks:        
remarks:        Asimo Networks B.V.
remarks:        
remarks:        Cilix Limited
remarks:        
remarks:        Datacamp Limited (CDN77 / DataPacket)
remarks:        
remarks:        Diederik Focko de Zee
remarks:        
remarks:        Falcon FZE LLC
remarks:        
remarks:        GamerHost s.r.o.
remarks:        
remarks:        Hurricane Electric LLC
remarks:        
remarks:        iFog GmbH
remarks:        
remarks:        Johannes Ernst
remarks:        
remarks:        Maria Merkel trading as Blahaj Studio
remarks:        
remarks:        Neterra Ltd.
remarks:        
remarks:        NetIX Communications JSC
remarks:        
remarks:        ParadoxNetworks Limited
remarks:        
remarks:        Teske Virtual System Ltda
remarks:        
remarks:        VergeTel
remarks:        
remarks:        -----------------------------------------------------
status:         ASSIGNED
created:        2024-06-06T06:51:18Z
last-modified:  2026-07-09T10:07:36Z
source:         RIPE
% 36 routing policy lines (import/export) not shown

Routing data

Updated just now

Registry record

Fetched just now from RIPE

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/214757

const res = await fetch('https://ip-fd.net/api/v1/asn/214757', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/214757', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/214757');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/214757", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

Works without a key at a lower rate. Get a free key.

AS6204	TMRC GROUP SRL ZET-NET
AS6939	Hurricane Electric LLC HURRICANE
AS34019	Hivane Association HIVANE
AS34854	Maria Merkel trading as Blahaj Studio BLAHAJ-CLOUD
AS34927	iFog GmbH iFog-GmbH
AS49127	Asimo Networks B.V. ASIMO-AS
AS50263	A-Systems Sp. z o.o. IXP-1-IX-EU
AS50673	Serverius Holding B.V. Serverius-as
AS50917	Diederik Focko de Zee DIEDERIK-AS
AS57463	NetIX Communications JSC NetIX
AS60068	Datacamp Limited CDN77
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP